SOC 51-8021 · May 2025 · BLS OEWS
Stationary Engineers and Boiler Operators — California
California · 10 metro areas compared
Median pay for this occupation in California comes to $90,650 a year, ahead of the national median of $78,620 by 15.3%.
Wage distribution · annual
Shaded band holds the middle 50% of earners
Salary overview
Median pay for this occupation in California comes to $90,650 a year, ahead of the national median of $78,620 by 15.3%. The middle half of workers in this occupation earn between $61,860 and $120,350. The lowest tenth earn under $48,610, while the highest tenth earn more than $132,730.
Employment stands at 5,840, or 0.3 jobs per thousand held locally. Among the 51 states with published data for this occupation, California ranks 7th by median wage. San Francisco leads the state's metro areas for this occupation, at $129,930. Set against every other occupation measured in the same area, it ranks 257th of 793 by median pay.
Percentile breakdown
| Percentile | Annual | vs US median |
|---|---|---|
| 10th | $48,610 | −38.2% |
| 25th | $61,860 | −21.3% |
| Median (50th) | $90,650 | +15.3% |
| 75th | $120,350 | +53.1% |
| 90th | $132,730 | +68.8% |
| Mean | $91,010 | +15.8% |
Highest-paying metro areas in California
| # | Metro area | Median | Jobs | Relative |
|---|---|---|---|---|
| 1 | San Francisco | $129,930 | 980 | |
| 2 | San Jose | $123,170 | 210 | |
| 3 | Vallejo | $123,170 | 110 | |
| 4 | Stockton | $103,690 | 50 | |
| 5 | Sacramento | $99,840 | 520 | |
| 6 | El Centro | $96,150 | 40 | |
| 7 | Bakersfield | $94,100 | 110 | |
| 8 | Oxnard | $92,420 | 70 | |
| 9 | Riverside | $87,170 | 370 | |
| 10 | Fresno | $87,140 | 120 |
What the pay is worth locally
Prices in California run 10.7% above the national average, so the median of $90,650 buys what $81,888 would elsewhere in the country. Measured that way the gap against the national median narrows to 4.2% above the national median in real terms.
Published median
$90,650as reported by BLSLocal price level
110.7US average = 100 · BEA 2024Adjusted for local prices
$81,888US average = 100 · BEA 2024Key takeaways
- Median pay is $90,650 a year, 15.3% above the national median.
- Published pay spans $48,610 to $132,730 between the tenth and ninetieth percentiles.
- The area has 5,840 jobs in this occupation.
- It ranks 7th of 51 states for this occupation.
- The highest-paying metro area covered is San Francisco, at $129,930.
Frequently asked questions
What is the median wage for Stationary Engineers and Boiler Operators in California?
The median annual wage is $90,650, or $43.58 per hour, as of May 2025. Half of the workers in this occupation earn more than that and half earn less.
Is that higher than the national average?
The national median for this occupation is $78,620, so pay in California is 15.3% higher. These figures are medians, not averages: half of workers fall on each side.
What do the top earners make?
The top tenth of this occupation in California earns more than $132,730 per year. The ninetieth percentile is the highest figure the survey publishes.
What is the starting range?
The tenth percentile wage is $48,610 per year. The survey measures wages actually paid rather than experience level, so this reflects the lowest-paid tenth rather than entry-level pay specifically.
Which area nearby pays the most?
The highest median for this occupation among the metro areas covered is in San Francisco, at $129,930 per year.
How many jobs are there in this occupation here?
The survey estimates 5,840 jobs in this occupation in California. Self-employed workers are not included.
Source and methodology
U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025 Wages are for wage-and-salary workers; self-employed workers are not included. Salary Explorer is an independent project. It is not affiliated with, or endorsed by, the U.S. Bureau of Labor Statistics or any government agency. Full methodology.
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